Home / 136,091.98-187,796.29-75,658.94

Finding the Fourth Proportional to 136,091.98, 187,796.29 and 75,658.94

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Solution

The fourth proportional to 136,091.98, 187,796.29 and 75,658.94 is: 104,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.98 : 187,796.29 = 75,658.94 : x
  2. Step 2: Convert to fraction form
    136,091.98/187,796.29 = 75,658.94/x
  3. Step 3: Cross multiply
    136,091.98x = 187,796.29 × 75,658.94
  4. Step 4: Simplify right side
    136,091.98x = 14,208,469,011.65
  5. Step 5: Solve for x
    x = 14,208,469,011.65/136,091.98
  6. Step 6: Final answer
    x = 104,403.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.